1. 3 to 7
2. 7 to 3
3. 4 to 3
4. 3 to 4
7 to 3
1. (a+b)(x2+y2)-(a2+b2)(x+y)=0
2. (a+b)(x2+y2)-(a+b)(x+y)=0
3. (a+b)(x2+y2)+(a2+b2)(x+y)=0
4. (a2+b2)(x2+y2)+(a+b)(x+y)=0
(a+b)(x2+y2)-(a2+b2)(x+y)=0
1. (x1-g,y1-f)
2. (x1+g,y1+f)
3. ((x1+g)/2,(y1+f)/2)
4. (-g/2,-f/2)
((x1+g)/2,(y1+f)/2)
1. x2+y2=a2cosec2α/2
2. x2+y2=a2cot2α/2
3. x2+y2=a2tanα
4. x2+y2=a2tanα/2
x2+y2=a2cosec2α/2
1. 5/11
2. 2/11
3. 4/11
4. 3/11
4/11
1. a2+b2=c2
2. a+b=c
3. (1/a2)+(1/b2)=1/c2
4. (1/a)+(1/b)=1/c
(1/a2)+(1/b2)=1/c2
1. 1/2
2. 2/5
3. 3/10
4. 3/5
3/5
1. x+y-2=0
2. 2x-y-1=0
3. 3x+y-4=0
4. x-y=0
2x-y-1=0
1. 1/8
2. 7/8
3. 5/8
4. 3/8
5/8
1. 3/7
2. 4/7
3. 2/7
4. 1/7
3/7